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Finding the Third Proportional to 43,131 and 91,446

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Solution

The third proportional to 43,131 and 91,446 is: 193,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,131 : 91,446 = 91,446 : x
  2. Step 2: Convert to fraction form
    43,131/91,446 = 91,446/x
  3. Step 3: Cross multiply
    43,131x = 91,446 × 91,446
  4. Step 4: Simplify right side
    43,131x = 8,362,370,916
  5. Step 5: Solve for x
    x = 8,362,370,916/43,131
  6. Step 6: Final answer
    x = 193,883.08

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.